@$$%««««,.                                          .,««««%$$@
@@$%;;«,..                                          ..,«;;%$@@
##%;,.....                                          .....,;%##
####$%;«,.                                          .,«;%$####
@@#$$%;«,.                                          .,«;%$$#@@
##@#$%;«,.                   rails                  .,«;%$#@##
#%«.......                                          .......«%#
###$$%;«,.                                          .,«;%$$###
@#$%;;«,,. ######################################## .,,«;;%$#@
@##%«,....                                          ....,«%##@
##$$%«««,. ######################################## .,«««%$$##
#%%%%%;«,.                                          .,«;%%%%%#
##@#$%;«,.                                          .,«;%$#@##
##@#$%;«,. trains  are  so  constructed  that  they .,«;%$#@##
#$%%;;;«,. have to follow a  set path. this path is .,«;;;%%$#
##@#$%;«,. called  a  "railway", which is comprised .,«;%$#@##
##%«...... of two metal rails,  hence its nickname. ......«%##
#%«««««...                                          ...«««««%#
#$%%««««,. because the  low  friction  between  the .,««««%%$#
#@#$$%;«,. wheels of the train and  the rail metal, .,«;%$$#@#
##@#$%;«,. there are  limits for how acute a  curve .,«;%$#@##
##$;;«.... can  be, and  even more  so for how much ....«;;$##
##%%%;«,.. the  ground  under   the  rails  can  be ..,«;%%%##
##@#$%;«,. sloped.  thus a railway is often not led .,«;%$#@##
#%%;,..... on top of hills, rather  through them in .....,;%%#
###%«,.... tunnels  (if   they   are   large),   or ....,«%###
##$$$%;«,.            artificial chasms.            .,«;%$$$##
##@#$%;«,.                                          .,«;%$#@##
#%«....... there  will be trees on the  side of the .......«%#
@@@#$%;«,. rails, but not too  close, or  they will .,«;%$#@@@
#%%%%«,... be  cut  down by  the  railway janitors. ...,«%%%%#
##@#$%;«,. there  will  be  plains,  and  bodies of .,«;%$#@##
##@#$%;«,.                  water.                  .,«;%$#@##
#@#$;;,,,.                                          .,,,;;$#@#
##@#$%;«,. trains go  by day  and  by night.  along .,«;%$#@##
@@##$%;«,.      the way, there is information       .,«;%$##@@
##@#$%;«,. scattered, often  put  on top of  poles, .,«;%$#@##
##@#$%;«,. to be  interpreted by the train drivers. .,«;%$#@##
##%««,.... different  parts  of  the  railway  have ....,««%##
##%«......         different speed limits.          ......«%##
#$;;«,....                                          ....,«;;$#
####$%;«,. sometimes, trains have to  stop and wait .,«;%$####
#$%;,..... for something to happen, far  away. this .....,;%$#
##@#$%;«,. is  signaled  by red  or  green  lights. .,«;%$#@##
#%%;«,....                                          ....,«;%%#
##@#$%;«,.                 ########                 .,«;%$#@##
##@#$%;«,.                                          .,«;%$#@##
@#%«...... many people  follow  the rails by  foot. ......«%#@
##@#$%;«,. often this  proves  to  be  the  shorter .,«;%$#@##
@@$$%«,... path  between two  points. however  this ...,«%$$@@
#$$;««.... is  frowned  upon,   and  very  impolite ....««;$$#
##@#$%;«,.        toward the train drivers!         .,«;%$#@##
@##$$%;«,.                                          .,«;%$$##@
####$%;«,.                                          .,«;%$####
@@@#$%;«,.                                          .,«;%$#@@@
###@#%;«,.                                          .,«;%#@###
##@#$%;«,.                                          .,«;%$#@##
####$%;«,.                                          .,«;%$####